纳秒激光在不锈钢表面的着色。

Nanosecond laser coloration on stainless steel surface.

机构信息

School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, China.

Nano and Molecular Systems Research Unit, University of Oulu, P.O. Box 3000, FIN-90014, Oulu, Finland.

出版信息

Sci Rep. 2017 Aug 2;7(1):7092. doi: 10.1038/s41598-017-07373-8.

DOI:10.1038/s41598-017-07373-8

PMID:28769077

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5541041/

Abstract

In this work, we present laser coloration on 304 stainless steel using nanosecond laser. Surface modifications are tuned by adjusting laser parameters of scanning speed, repetition rate, and pulse width. A comprehensive study of the physical mechanism leading to the appearance is presented. Microscopic patterns are measured and employed as input to simulate light-matter interferences, while chemical states and crystal structures of composites to figure out intrinsic colors. Quantitative analysis clarifies the final colors and RGB values are the combinations of structural colors and intrinsic colors from the oxidized pigments, with the latter dominating. Therefore, the engineering and scientific insights of nanosecond laser coloration highlight large-scale utilization of the present route for colorful and resistant steels.

摘要

在这项工作中，我们使用纳秒激光对 304 不锈钢进行激光着色。通过调整扫描速度、重复率和脉冲宽度等激光参数来调节表面改性。本文提出了一种对导致表面出现这种现象的物理机制的综合研究。测量微观图案并将其作为输入来模拟光物质干涉，同时研究复合材料的化学状态和晶体结构以找出内在颜色。定量分析阐明了最终颜色，而 RGB 值是由氧化颜料的结构颜色和内在颜色组合而成，后者占主导地位。因此，纳秒激光着色的工程和科学见解突出了本路线在彩色和耐蚀钢方面的大规模应用。